customer's requirement:Make any colors according to the customer's requirements. any logo acceptable:According to the AI file provided from the customer,we can do the exactly the designs. customizable surface treatment: Accept customizable surface treatment. Long-term insulation:Vacuum insulation-three-layer structure designed to keep beverages cold for up to 12 hours and heat preservation for up to 8 hours. LFGB standard:The stainless steel bottles are also meet the requirements of the LFGB. great water leakage:In any life scene, there is no need to worry about water leakage